Detectionlowtest

Install Root Certificate

Detects installation of new certificate on the system which attackers may use to avoid warnings when connecting to controlled web servers or C2s

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Ömer Günal, oscd.communityCreated Mon Oct 05Updated Thu Jul 0778a80655-a51e-4669-bc6b-e9d206a462eelinux

Log Source

LinuxProcess Creation

ProductLinux← raw: linux

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection:
        Image|endswith:
            - '/update-ca-certificates'
            - '/update-ca-trust'
    condition: selection

False Positives

Legitimate administration activities

References

MITRE ATT&CK

Tactics

Sub-techniques

Rule Metadata

Rule ID

78a80655-a51e-4669-bc6b-e9d206a462ee

Status

test

Level

low

Type

Detection

Created

Mon Oct 05

Modified

Thu Jul 07

Author

Path

rules/linux/process_creation/proc_creation_lnx_install_root_certificate.yml

Raw Tags

attack.defense-evasionattack.t1553.004